[patch V3 24/37] sched: highmem: Store local kmaps in task struct

Instead of storing the map per CPU provide and use per task storage. That prepares for local kmaps which are preemptible. The context switch code is preparatory and not yet in use because kmap_atomic() runs with preemption disabled. Will be made usable in the next step. The context switch logic i

Re: [patch V3 24/37] sched: highmem: Store local kmaps in task struct

On Tue, Nov 03 2020 at 10:27, Thomas Gleixner wrote: > +struct kmap_ctrl { > +#ifdef CONFIG_KMAP_LOCAL > + int idx; > + pte_t pteval[KM_TYPE_NR]; I'm a moron. Fixed it on the test machine ...